问题
选择题
Some teenagers _____ their health because they often expose themselves to so many electric products. [ ]
A. have damaged
B. are damaging
C. damaged
D. will damage
答案
答案：B
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Some teenagers _____ their health because they often expose themselves to so many electric products. [ ]
A. have damaged
B. are damaging
C. damaged
D. will damage
答案：B